has a number of independent intellectual property rights technology transformation results. at present, the products have been sold to more than 20 provinces and cities in china, and exported to the united kingdom, bulgaria, turkey, vietnam, south korea, japan, malaysia, india, thailand, mexico, canada ,usa and other countries and regions. it has established long-term good partnerships with major steel companies and auto parts companies. handern company has consistently adhered to the business philosophy of integrity, equality, and customer interests first. the products are managed by gb/t 19001-2000 idt iso 9001:2000 quality system, and provide support and personnel training for customers.